13103121031302 has 16 divisors (see below), whose sum is σ = 26815689552960. Its totient is φ = 4266132428712.

The previous prime is 13103121031279. The next prime is 13103121031303. The reversal of 13103121031302 is 20313012130131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103121031303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25393645152 + ... + 25393645667.

It is an arithmetic number, because the mean of its divisors is an integer number (1675980597060).

Almost surely, 2^{13103121031302} is an apocalyptic number.

13103121031302 is an abundant number, since it is smaller than the sum of its proper divisors (13712568521658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103121031302 is a wasteful number, since it uses less digits than its factorization.

13103121031302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50787290867.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13103121031302 its reverse (20313012130131), we get a palindrome (33416133161433).

The spelling of 13103121031302 in words is "thirteen trillion, one hundred three billion, one hundred twenty-one million, thirty-one thousand, three hundred two".